* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #fff;
  color: #111;
  line-height: 1.5;
}

header {
  padding: 32px 16px 8px;
  text-align: center;
}

h1 {
  margin: 0;
  font-size: 1.6rem;
  font-weight: normal;
}

.sub {
  max-width: 46rem;
  margin: 8px auto 0;
  color: #666;
}

main {
  max-width: 46rem;
  margin: 0 auto;
  padding: 16px;
}

label {
  display: block;
  margin: 24px 0 6px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #666;
}

input {
  width: 100%;
  padding: 12px;
  font: inherit;
  border: 1px solid #ccc;
  border-radius: 4px;
  background: #fff;
  color: inherit;
}

input:focus {
  outline: 2px solid #111;
  outline-offset: -1px;
  border-color: transparent;
}

.error {
  margin: 8px 0 0;
  color: #b00;
  font-size: 0.9rem;
}

.error[hidden] {
  display: none;
}

.results {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.results[hidden] {
  display: none;
}

.results li {
  border-top: 1px solid #eee;
  padding: 14px 0;
}

.results li.control {
  color: #888;
}

.meta {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 6px;
}

.tag {
  display: inline-block;
  min-width: 1.4em;
  text-align: center;
  font-size: 0.8rem;
  padding: 1px 5px;
  border: 1px solid #ccc;
  border-radius: 3px;
  color: #666;
}

.what {
  font-size: 0.9rem;
  color: #666;
}

.row {
  display: flex;
  align-items: center;
  gap: 10px;
}

code {
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  white-space: nowrap;
  font-size: 0.9rem;
  background: #f5f5f5;
  padding: 8px 10px;
  border-radius: 4px;
}

button {
  flex: none;
  font: inherit;
  font-size: 0.85rem;
  padding: 8px 14px;
  border: 1px solid #ccc;
  border-radius: 4px;
  background: #fff;
  color: inherit;
  cursor: pointer;
}

button:hover {
  background: #f5f5f5;
}

.reading {
  margin-top: 40px;
  border-top: 1px solid #eee;
  padding-top: 24px;
}

h2 {
  font-size: 1.1rem;
  font-weight: normal;
  margin: 0 0 12px;
}

dt {
  font-weight: bold;
  margin-top: 14px;
  font-size: 0.95rem;
}

dd {
  margin: 4px 0 0;
  color: #555;
  font-size: 0.95rem;
}

.note {
  margin-top: 24px;
  font-size: 0.9rem;
  color: #888;
}